Ciena reports Q2 2026 revenue of $1.57B, up 40% YoY; raises FY2026 guidance

Ciena Corporation delivered strong fiscal second quarter results with $1.57 billion in revenue and adjusted EPS of $1.64, a 290% increase year-over-year, driven by AI-driven demand for high-speed connectivity solutions. The company raised its full-year 2026 revenue guidance to $6.3 billion (32% growth at midpoint), signaling confidence in sustained profitable growth and operating leverage expansion.